Hi Joel,

We have a configuration file to set the properties, the definition is at
https://github.com/intel/lkp-tests/wiki/Repo-Spec,
the branches named as ".experimental." ".*dont-build" won't be tested by
default, or you can tell us the blacklist branch rule.

Best Regards,
Rong Chen

On 5/14/20 11:42 PM, joel@joelfernandes.org wrote:
> This is just a test WIP tree. Is there a way for me to mark some trees
> as not for kbuild testing?
>
> Thanks for the testing though!
>
>
> On May 14, 2020 11:08:12 AM EDT, kbuild test robot <lkp@intel.com> wrote:
>
>     tree:https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git  rcu/refperf
>     head:   df3410c1f7436cf0a91127b2629a33923cc62140
>     commit: e9577008869a8d050252b346823d54ab84af4021 [1/3] test
>     config: i386-randconfig-r015-20200514 (attached as .config)
>     compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
>     reproduce:
>              git checkout e9577008869a8d050252b346823d54ab84af4021
>              # save the attached .config to linux build tree
>              make ARCH=i386
>
>     If you fix the issue, kindly add following tag as appropriate
>     Reported-by: kbuild test robot <lkp@intel.com>
>
>     All error/warnings (new ones prefixed by >>, old ones prefixed by <<):
>
>     kernel/rcu/tree.c: In function 'rcu_pr_kthread':
>     kernel/rcu/tree.c:3852:35: warning: unused variable 'spincnt2' [-Wunused-variable]
>     unsigned long spincnt, spincnt1, spincnt2, x=0;
>     ^~~~~~~~
>     kernel/rcu/tree.c:3852:25: warning: unused variable 'spincnt1' [-Wunused-variable]
>     unsigned long spincnt, spincnt1, spincnt2, x=0;
>     ^~~~~~~~
>     kernel/rcu/tree.c:3851:7: warning: unused variable 'work' [-Wunused-variable]
>     char work, *workp = this_cpu_ptr(&rcu_data.rcu_pr_has_work);
>     ^~~~
>     kernel/rcu/tree.c:3850:16: warning: unused variable 'statusp' [-Wunused-variable]
>     unsigned int *statusp = this_cpu_ptr(&rcu_data.rcu_pr_kthread_status);
>     ^~~~~~~
>     kernel/rcu/tree.c: In function 'rcu_spawn_pr_kthreads':
>
>             kernel/rcu/tree.c:3979:8: error: passing argument 4 of
>             'proc_create' from incompatible pointer type
>             [-Werror=incompatible-pointer-types]
>
>     &pr_ops);
>     ^
>     In file included from kernel/rcu/tree.c:23:0:
>     include/linux/proc_fs.h:79:24: note: expected 'const struct proc_ops *' but argument is of type 'const struct file_operations *'
>     struct proc_dir_entry *proc_create(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct proc_ops *proc_ops);
>     ^~~~~~~~~~~
>     kernel/rcu/tree.c: In function 'pr_proc_write':
>
>             kernel/rcu/tree.c:3957:1: warning: control reaches end of
>             non-void function [-Wreturn-type]
>
>     }
>     ^
>     cc1: some warnings being treated as errors
>
>     vim +/proc_create +3979 kernel/rcu/tree.c
>
>        3935   
>        3936   ssize_t pr_proc_write(struct file * f, const char __user * b, size_t s, loff_t * off)
>        3937   {
>        3938           u64 before, after;
>        3939   
>        3940           WRITE_ONCE(work_type, PERCPU_RWSEM);
>        3941   repeat:
>        3942           smp_mb();
>        3943   
>        3944           before = ktime_get_mono_fast_ns();
>        3945           do_one_pr_test();
>        3946           after = ktime_get_mono_fast_ns();
>        3947   
>        3948           pr_err("Total time: %lu us , type: %s\n", (unsigned long)((after - before) / 1000),
>        3949                                   (work_type == PERCPU_RWSEM ? "percpu-rwsem" : "rwsem") );
>        3950   
>        3951           if (work_type != RWSEM) {
>        3952                   work_type = RWSEM;
>        3953                   msleep(100);
>        3954                   goto repeat;
>        3955           }
>        3956   
>
>         3957 }
>
>        3958   
>        3959   static const struct file_operations pr_ops = {
>        3960           .write = pr_proc_write,
>        3961           .llseek = default_llseek,
>        3962   };
>        3963   
>        3964   /*
>        3965    * Spawn boost kthreads -- called as soon as the scheduler is running.
>        3966    */
>        3967   static void __init rcu_spawn_pr_kthreads(void)
>        3968   {
>        3969           int cpu;
>        3970   
>        3971           for_each_possible_cpu(cpu)
>        3972                   per_cpu(rcu_data.rcu_pr_has_work, cpu) = 0;
>        3973   
>        3974           if (WARN_ONCE(smpboot_register_percpu_thread(&rcu_pr_thread_spec),
>        3975                                   "%s: Could not start rcub kthread, OOM is now expected behavior\n", __func__))
>        3976                   return;
>        3977   
>        3978           proc_create("prw_test", 0777, NULL,
>
>         3979 &pr_ops);
>
>        3980   
>        3981           /*
>        3982           for_each_online_cpu(cpu) {
>        3983                   pr_err("waking up thread on online cpu %d\n", cpu);
>        3984                   per_cpu(rcu_data.rcu_pr_has_work, cpu) = 1;
>        3985                   smp_mb();
>        3986                   wake_up_process(per_cpu(rcu_data.pr_kthread, cpu));
>        3987           }
>        3988           */
>        3989   }
>        3990   
>     ------------------------------------------------------------------------
>     0-DAY CI Kernel Test Service, Intel Corporation
>     https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
>
> --
> Sent from my Android device with K-9 Mail. Please excuse my brevity.